Assertion examples in specs2-5.0.0-RC-03

assertions.scala

package examples

import org.specs2.*

class AssertionSpec extends Specification:
  def is = s2"""
    authors must be correct $book1
    authors must be correct $book2
    book must be correct $book3
  """

  def book1 =
    val book = Book("Programming in Scala", List("Odersky", "me", "Venners"), 2008)
    book.authors === List("Odersky", "Spoon", "Venners")

  def book2 =
    val book = Book("Programming in Scala", List("Odersky", "me", "Venners"), 2009)
    book.authors must contain(exactly("Odersky", "Spoon", "Venners"))

  def book3 =
    val actual = Book("Programming in Scala", List("Odersky", "me", "Venners"), 2008)
    val expected = Book("Programming in Scala", List("Odersky", "Spoon", "Venners"), 2009)
    actual === expected

  case class Book(title: String, authors: List[String], pubYear: Int)